Home / 1,125,492.50-1,687,204.22-405,658.02

Finding the Fourth Proportional to 1,125,492.50, 1,687,204.22 and 405,658.02

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Solution

The fourth proportional to 1,125,492.50, 1,687,204.22 and 405,658.02 is: 608,114.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,492.50 : 1,687,204.22 = 405,658.02 : x
  2. Step 2: Convert to fraction form
    1,125,492.50/1,687,204.22 = 405,658.02/x
  3. Step 3: Cross multiply
    1,125,492.50x = 1,687,204.22 × 405,658.02
  4. Step 4: Simplify right side
    1,125,492.50x = 684,427,927,519.57
  5. Step 5: Solve for x
    x = 684,427,927,519.57/1,125,492.50
  6. Step 6: Final answer
    x = 608,114.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.